Question: When is {national holiday} of {comes from} of {Battle Royale} ?
Paraphrase: When is {national occasion} of {comes from} of {Fight Royale} ?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q864592 wdt:P495 ?X . ?X wdt:P832 ?answer}
Answer: The Emperor's Birthday, Labor Thanksgiving Day, Coming of Age Day, Culture Day, Vernal Equinox Day, National Foundation Day, Children's Day, Respect for the Aged Day, Autumnal Equinox Day, Greenery Day, Marine Day, Health and Sports Day, Shōwa Day, Constitution Memorial Day, Mountain Day